./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-1_1-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_1-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 21:05:14,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:05:14,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:05:14,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:05:14,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:05:14,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:05:14,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:05:14,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:05:14,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:05:14,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:05:14,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:05:14,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:05:14,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:05:14,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:05:14,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:05:14,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:05:14,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:05:14,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:05:14,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:05:14,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:05:14,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:05:14,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:05:14,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:05:14,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:05:14,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:05:14,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:05:14,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:05:14,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:05:14,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:05:14,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:05:14,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:05:14,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:05:14,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:05:14,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:05:14,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:05:14,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:05:14,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:05:14,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:05:14,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:05:14,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:05:14,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:05:14,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 21:05:14,989 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:05:14,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:05:14,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:05:14,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:05:14,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:05:14,998 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:05:14,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:05:15,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:05:15,001 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:05:15,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:05:15,003 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:05:15,003 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 21:05:15,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:05:15,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:05:15,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:05:15,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:05:15,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:05:15,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:05:15,005 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 21:05:15,005 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:05:15,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:05:15,006 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:05:15,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:05:15,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:05:15,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:05:15,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:05:15,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:05:15,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:05:15,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:05:15,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:05:15,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:05:15,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:05:15,009 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:05:15,010 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:05:15,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:05:15,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 [2022-11-18 21:05:15,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:05:15,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:05:15,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:05:15,471 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:05:15,472 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:05:15,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-races/race-1_1-join.i [2022-11-18 21:05:15,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/data/7f536facb/3b35fe43a66347669e7798e34bffaa95/FLAG0e95b1a4c [2022-11-18 21:05:16,369 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:05:16,370 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/sv-benchmarks/c/ldv-races/race-1_1-join.i [2022-11-18 21:05:16,403 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/data/7f536facb/3b35fe43a66347669e7798e34bffaa95/FLAG0e95b1a4c [2022-11-18 21:05:16,501 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/data/7f536facb/3b35fe43a66347669e7798e34bffaa95 [2022-11-18 21:05:16,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:05:16,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:05:16,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:05:16,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:05:16,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:05:16,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:05:16" (1/1) ... [2022-11-18 21:05:16,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20bf764a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:05:16, skipping insertion in model container [2022-11-18 21:05:16,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:05:16" (1/1) ... [2022-11-18 21:05:16,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:05:16,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:05:17,929 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/sv-benchmarks/c/ldv-races/race-1_1-join.i[76068,76081] [2022-11-18 21:05:17,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:05:17,995 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:05:18,063 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/sv-benchmarks/c/ldv-races/race-1_1-join.i[76068,76081] [2022-11-18 21:05:18,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:05:18,261 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:05:18,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:05:18 WrapperNode [2022-11-18 21:05:18,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:05:18,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:05:18,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:05:18,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:05:18,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:05:18" (1/1) ... [2022-11-18 21:05:18,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:05:18" (1/1) ... [2022-11-18 21:05:18,360 INFO L138 Inliner]: procedures = 480, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2022-11-18 21:05:18,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:05:18,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:05:18,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:05:18,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:05:18,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:05:18" (1/1) ... [2022-11-18 21:05:18,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:05:18" (1/1) ... [2022-11-18 21:05:18,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:05:18" (1/1) ... [2022-11-18 21:05:18,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:05:18" (1/1) ... [2022-11-18 21:05:18,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:05:18" (1/1) ... [2022-11-18 21:05:18,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:05:18" (1/1) ... [2022-11-18 21:05:18,403 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:05:18" (1/1) ... [2022-11-18 21:05:18,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:05:18" (1/1) ... [2022-11-18 21:05:18,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:05:18,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:05:18,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:05:18,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:05:18,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:05:18" (1/1) ... [2022-11-18 21:05:18,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:05:18,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:05:18,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:05:18,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:05:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:05:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:05:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 21:05:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:05:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 21:05:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:05:18,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:05:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:05:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 21:05:18,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 21:05:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:05:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:05:18,544 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 21:05:18,963 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:05:18,966 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:05:19,307 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:05:19,318 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:05:19,321 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 21:05:19,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:05:19 BoogieIcfgContainer [2022-11-18 21:05:19,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:05:19,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:05:19,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:05:19,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:05:19,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:05:16" (1/3) ... [2022-11-18 21:05:19,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a5ddf69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:05:19, skipping insertion in model container [2022-11-18 21:05:19,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:05:18" (2/3) ... [2022-11-18 21:05:19,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a5ddf69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:05:19, skipping insertion in model container [2022-11-18 21:05:19,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:05:19" (3/3) ... [2022-11-18 21:05:19,339 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2022-11-18 21:05:19,350 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 21:05:19,364 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:05:19,365 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-11-18 21:05:19,365 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 21:05:19,432 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-18 21:05:19,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 147 transitions, 302 flow [2022-11-18 21:05:19,618 INFO L130 PetriNetUnfolder]: 5/167 cut-off events. [2022-11-18 21:05:19,618 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 21:05:19,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 167 events. 5/167 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 260 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 93. Up to 3 conditions per place. [2022-11-18 21:05:19,625 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 147 transitions, 302 flow [2022-11-18 21:05:19,631 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 133 places, 133 transitions, 272 flow [2022-11-18 21:05:19,644 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:05:19,652 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@79b0f704, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:05:19,652 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-18 21:05:19,662 INFO L130 PetriNetUnfolder]: 0/30 cut-off events. [2022-11-18 21:05:19,662 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 21:05:19,663 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:05:19,663 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:19,664 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-18 21:05:19,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:19,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1142641892, now seen corresponding path program 1 times [2022-11-18 21:05:19,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:19,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562548277] [2022-11-18 21:05:19,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:19,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:05:20,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:20,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562548277] [2022-11-18 21:05:20,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562548277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:20,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:20,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:05:20,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181166794] [2022-11-18 21:05:20,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:20,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:05:20,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:20,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:05:20,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:05:20,215 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 147 [2022-11-18 21:05:20,231 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 133 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:20,231 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:05:20,231 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 147 [2022-11-18 21:05:20,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:05:20,375 INFO L130 PetriNetUnfolder]: 0/147 cut-off events. [2022-11-18 21:05:20,375 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-18 21:05:20,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 147 events. 0/147 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 230 event pairs, 0 based on Foata normal form. 3/136 useless extension candidates. Maximal degree in co-relation 0. Up to 26 conditions per place. [2022-11-18 21:05:20,377 INFO L137 encePairwiseOnDemand]: 141/147 looper letters, 25 selfloop transitions, 2 changer transitions 2/126 dead transitions. [2022-11-18 21:05:20,378 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 126 transitions, 312 flow [2022-11-18 21:05:20,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:05:20,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:05:20,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2022-11-18 21:05:20,395 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.81859410430839 [2022-11-18 21:05:20,396 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 361 transitions. [2022-11-18 21:05:20,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 361 transitions. [2022-11-18 21:05:20,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:05:20,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 361 transitions. [2022-11-18 21:05:20,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:20,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:20,414 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:20,416 INFO L175 Difference]: Start difference. First operand has 133 places, 133 transitions, 272 flow. Second operand 3 states and 361 transitions. [2022-11-18 21:05:20,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 126 transitions, 312 flow [2022-11-18 21:05:20,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 126 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:05:20,427 INFO L231 Difference]: Finished difference. Result has 129 places, 124 transitions, 254 flow [2022-11-18 21:05:20,430 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=129, PETRI_TRANSITIONS=124} [2022-11-18 21:05:20,435 INFO L288 CegarLoopForPetriNet]: 133 programPoint places, -4 predicate places. [2022-11-18 21:05:20,435 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 124 transitions, 254 flow [2022-11-18 21:05:20,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:20,437 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:05:20,437 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:20,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:05:20,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-18 21:05:20,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:20,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1466478037, now seen corresponding path program 1 times [2022-11-18 21:05:20,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:20,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744855434] [2022-11-18 21:05:20,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:20,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:05:20,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:20,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744855434] [2022-11-18 21:05:20,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744855434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:20,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:20,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:05:20,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252901495] [2022-11-18 21:05:20,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:20,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:05:20,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:20,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:05:20,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:05:20,614 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 147 [2022-11-18 21:05:20,615 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 124 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:20,615 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:05:20,615 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 147 [2022-11-18 21:05:20,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:05:20,691 INFO L130 PetriNetUnfolder]: 0/141 cut-off events. [2022-11-18 21:05:20,691 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 21:05:20,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 141 events. 0/141 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 211 event pairs, 0 based on Foata normal form. 1/133 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2022-11-18 21:05:20,695 INFO L137 encePairwiseOnDemand]: 136/147 looper letters, 12 selfloop transitions, 6 changer transitions 3/120 dead transitions. [2022-11-18 21:05:20,695 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 120 transitions, 286 flow [2022-11-18 21:05:20,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:05:20,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:05:20,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2022-11-18 21:05:20,702 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8231292517006803 [2022-11-18 21:05:20,702 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 363 transitions. [2022-11-18 21:05:20,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 363 transitions. [2022-11-18 21:05:20,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:05:20,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 363 transitions. [2022-11-18 21:05:20,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:20,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:20,707 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:20,707 INFO L175 Difference]: Start difference. First operand has 129 places, 124 transitions, 254 flow. Second operand 3 states and 363 transitions. [2022-11-18 21:05:20,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 120 transitions, 286 flow [2022-11-18 21:05:20,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 120 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:05:20,716 INFO L231 Difference]: Finished difference. Result has 123 places, 117 transitions, 248 flow [2022-11-18 21:05:20,717 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=123, PETRI_TRANSITIONS=117} [2022-11-18 21:05:20,718 INFO L288 CegarLoopForPetriNet]: 133 programPoint places, -10 predicate places. [2022-11-18 21:05:20,718 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 117 transitions, 248 flow [2022-11-18 21:05:20,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:20,719 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:05:20,720 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:20,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:05:20,721 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-18 21:05:20,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:20,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1690021757, now seen corresponding path program 1 times [2022-11-18 21:05:20,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:20,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918701765] [2022-11-18 21:05:20,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:20,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:05:20,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:20,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918701765] [2022-11-18 21:05:20,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918701765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:20,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:20,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:05:20,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924975382] [2022-11-18 21:05:20,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:20,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:05:20,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:20,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:05:20,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:05:20,973 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 147 [2022-11-18 21:05:20,973 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 117 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:20,974 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:05:20,974 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 147 [2022-11-18 21:05:20,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:05:21,067 INFO L130 PetriNetUnfolder]: 0/137 cut-off events. [2022-11-18 21:05:21,067 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-18 21:05:21,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 137 events. 0/137 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 206 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 0. Up to 19 conditions per place. [2022-11-18 21:05:21,068 INFO L137 encePairwiseOnDemand]: 144/147 looper letters, 18 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2022-11-18 21:05:21,068 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 116 transitions, 286 flow [2022-11-18 21:05:21,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:05:21,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:05:21,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2022-11-18 21:05:21,071 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7959183673469388 [2022-11-18 21:05:21,071 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2022-11-18 21:05:21,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2022-11-18 21:05:21,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:05:21,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2022-11-18 21:05:21,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:21,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:21,076 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:21,077 INFO L175 Difference]: Start difference. First operand has 123 places, 117 transitions, 248 flow. Second operand 3 states and 351 transitions. [2022-11-18 21:05:21,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 116 transitions, 286 flow [2022-11-18 21:05:21,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 116 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:05:21,081 INFO L231 Difference]: Finished difference. Result has 119 places, 116 transitions, 238 flow [2022-11-18 21:05:21,082 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=238, PETRI_PLACES=119, PETRI_TRANSITIONS=116} [2022-11-18 21:05:21,083 INFO L288 CegarLoopForPetriNet]: 133 programPoint places, -14 predicate places. [2022-11-18 21:05:21,083 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 116 transitions, 238 flow [2022-11-18 21:05:21,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:21,084 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:05:21,084 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:21,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:05:21,085 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-18 21:05:21,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:21,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1414653617, now seen corresponding path program 1 times [2022-11-18 21:05:21,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:21,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034417318] [2022-11-18 21:05:21,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:21,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:21,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:05:21,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:21,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034417318] [2022-11-18 21:05:21,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034417318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:21,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:21,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:05:21,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852784437] [2022-11-18 21:05:21,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:21,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:05:21,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:21,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:05:21,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:05:21,218 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 147 [2022-11-18 21:05:21,219 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 116 transitions, 238 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:21,219 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:05:21,219 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 147 [2022-11-18 21:05:21,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:05:21,321 INFO L130 PetriNetUnfolder]: 0/136 cut-off events. [2022-11-18 21:05:21,321 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 21:05:21,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 136 events. 0/136 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 200 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2022-11-18 21:05:21,323 INFO L137 encePairwiseOnDemand]: 144/147 looper letters, 16 selfloop transitions, 2 changer transitions 6/115 dead transitions. [2022-11-18 21:05:21,323 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 115 transitions, 272 flow [2022-11-18 21:05:21,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:05:21,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:05:21,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2022-11-18 21:05:21,325 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7981859410430839 [2022-11-18 21:05:21,326 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 352 transitions. [2022-11-18 21:05:21,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 352 transitions. [2022-11-18 21:05:21,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:05:21,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 352 transitions. [2022-11-18 21:05:21,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:21,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:21,338 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:21,338 INFO L175 Difference]: Start difference. First operand has 119 places, 116 transitions, 238 flow. Second operand 3 states and 352 transitions. [2022-11-18 21:05:21,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 115 transitions, 272 flow [2022-11-18 21:05:21,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 115 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:05:21,345 INFO L231 Difference]: Finished difference. Result has 118 places, 109 transitions, 224 flow [2022-11-18 21:05:21,347 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=118, PETRI_TRANSITIONS=109} [2022-11-18 21:05:21,349 INFO L288 CegarLoopForPetriNet]: 133 programPoint places, -15 predicate places. [2022-11-18 21:05:21,349 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 109 transitions, 224 flow [2022-11-18 21:05:21,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:21,356 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:05:21,357 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:21,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 21:05:21,358 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-18 21:05:21,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:21,359 INFO L85 PathProgramCache]: Analyzing trace with hash 2136954167, now seen corresponding path program 1 times [2022-11-18 21:05:21,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:21,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033723474] [2022-11-18 21:05:21,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:21,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:22,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:05:22,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:22,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033723474] [2022-11-18 21:05:22,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033723474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:22,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:22,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:05:22,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196821062] [2022-11-18 21:05:22,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:22,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:05:22,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:22,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:05:22,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:05:22,202 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 147 [2022-11-18 21:05:22,204 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 109 transitions, 224 flow. Second operand has 6 states, 6 states have (on average 128.66666666666666) internal successors, (772), 6 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:22,205 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:05:22,205 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 147 [2022-11-18 21:05:22,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:05:22,270 INFO L130 PetriNetUnfolder]: 0/122 cut-off events. [2022-11-18 21:05:22,271 INFO L131 PetriNetUnfolder]: For 1/7 co-relation queries the response was YES. [2022-11-18 21:05:22,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 122 events. 0/122 cut-off events. For 1/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 127 event pairs, 0 based on Foata normal form. 4/124 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2022-11-18 21:05:22,271 INFO L137 encePairwiseOnDemand]: 142/147 looper letters, 7 selfloop transitions, 4 changer transitions 17/108 dead transitions. [2022-11-18 21:05:22,272 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 108 transitions, 244 flow [2022-11-18 21:05:22,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:05:22,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 21:05:22,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 774 transitions. [2022-11-18 21:05:22,275 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8775510204081632 [2022-11-18 21:05:22,275 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 774 transitions. [2022-11-18 21:05:22,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 774 transitions. [2022-11-18 21:05:22,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:05:22,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 774 transitions. [2022-11-18 21:05:22,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:22,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 147.0) internal successors, (1029), 7 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:22,283 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 147.0) internal successors, (1029), 7 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:22,283 INFO L175 Difference]: Start difference. First operand has 118 places, 109 transitions, 224 flow. Second operand 6 states and 774 transitions. [2022-11-18 21:05:22,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 108 transitions, 244 flow [2022-11-18 21:05:22,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 108 transitions, 240 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:05:22,290 INFO L231 Difference]: Finished difference. Result has 114 places, 91 transitions, 192 flow [2022-11-18 21:05:22,291 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=192, PETRI_PLACES=114, PETRI_TRANSITIONS=91} [2022-11-18 21:05:22,294 INFO L288 CegarLoopForPetriNet]: 133 programPoint places, -19 predicate places. [2022-11-18 21:05:22,294 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 91 transitions, 192 flow [2022-11-18 21:05:22,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 128.66666666666666) internal successors, (772), 6 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:22,296 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:05:22,296 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:22,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 21:05:22,298 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-18 21:05:22,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:22,299 INFO L85 PathProgramCache]: Analyzing trace with hash -52587974, now seen corresponding path program 1 times [2022-11-18 21:05:22,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:22,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138359426] [2022-11-18 21:05:22,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:22,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:22,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:05:22,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:22,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138359426] [2022-11-18 21:05:22,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138359426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:22,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:22,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:05:22,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591755822] [2022-11-18 21:05:22,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:22,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:05:22,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:22,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:05:22,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:05:22,445 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 147 [2022-11-18 21:05:22,446 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 91 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:22,446 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:05:22,446 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 147 [2022-11-18 21:05:22,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:05:22,482 INFO L130 PetriNetUnfolder]: 4/108 cut-off events. [2022-11-18 21:05:22,482 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 21:05:22,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 108 events. 4/108 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 113 event pairs, 4 based on Foata normal form. 1/107 useless extension candidates. Maximal degree in co-relation 115. Up to 21 conditions per place. [2022-11-18 21:05:22,483 INFO L137 encePairwiseOnDemand]: 145/147 looper letters, 0 selfloop transitions, 0 changer transitions 90/90 dead transitions. [2022-11-18 21:05:22,483 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 90 transitions, 216 flow [2022-11-18 21:05:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:05:22,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:05:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2022-11-18 21:05:22,486 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.780045351473923 [2022-11-18 21:05:22,486 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 344 transitions. [2022-11-18 21:05:22,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 344 transitions. [2022-11-18 21:05:22,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:05:22,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 344 transitions. [2022-11-18 21:05:22,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:22,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:22,490 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:22,491 INFO L175 Difference]: Start difference. First operand has 114 places, 91 transitions, 192 flow. Second operand 3 states and 344 transitions. [2022-11-18 21:05:22,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 90 transitions, 216 flow [2022-11-18 21:05:22,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 90 transitions, 209 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 21:05:22,493 INFO L231 Difference]: Finished difference. Result has 95 places, 0 transitions, 0 flow [2022-11-18 21:05:22,493 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=95, PETRI_TRANSITIONS=0} [2022-11-18 21:05:22,494 INFO L288 CegarLoopForPetriNet]: 133 programPoint places, -38 predicate places. [2022-11-18 21:05:22,494 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 0 transitions, 0 flow [2022-11-18 21:05:22,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:05:22,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2022-11-18 21:05:22,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-11-18 21:05:22,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2022-11-18 21:05:22,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2022-11-18 21:05:22,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-11-18 21:05:22,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-11-18 21:05:22,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-11-18 21:05:22,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2022-11-18 21:05:22,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2022-11-18 21:05:22,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 12 remaining) [2022-11-18 21:05:22,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2022-11-18 21:05:22,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2022-11-18 21:05:22,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 21:05:22,504 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-18 21:05:22,511 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 21:05:22,511 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 21:05:22,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:05:22 BasicIcfg [2022-11-18 21:05:22,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 21:05:22,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:05:22,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:05:22,519 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:05:22,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:05:19" (3/4) ... [2022-11-18 21:05:22,525 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 21:05:22,533 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 21:05:22,542 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-18 21:05:22,542 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-18 21:05:22,542 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 21:05:22,543 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 21:05:22,611 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 21:05:22,611 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:05:22,612 INFO L158 Benchmark]: Toolchain (without parser) took 6100.84ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 77.0MB in the beginning and 62.4MB in the end (delta: 14.6MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2022-11-18 21:05:22,612 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory was 97.3MB in the beginning and 97.2MB in the end (delta: 74.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:05:22,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1746.71ms. Allocated memory is still 121.6MB. Free memory was 76.8MB in the beginning and 49.8MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-18 21:05:22,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.04ms. Allocated memory is still 121.6MB. Free memory was 49.8MB in the beginning and 46.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:05:22,614 INFO L158 Benchmark]: Boogie Preprocessor took 64.89ms. Allocated memory is still 121.6MB. Free memory was 46.5MB in the beginning and 96.2MB in the end (delta: -49.6MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-11-18 21:05:22,614 INFO L158 Benchmark]: RCFGBuilder took 898.69ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 96.1MB in the beginning and 125.9MB in the end (delta: -29.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-11-18 21:05:22,615 INFO L158 Benchmark]: TraceAbstraction took 3188.30ms. Allocated memory is still 169.9MB. Free memory was 125.9MB in the beginning and 65.6MB in the end (delta: 60.3MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2022-11-18 21:05:22,615 INFO L158 Benchmark]: Witness Printer took 92.86ms. Allocated memory is still 169.9MB. Free memory was 65.6MB in the beginning and 62.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 21:05:22,617 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory was 97.3MB in the beginning and 97.2MB in the end (delta: 74.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1746.71ms. Allocated memory is still 121.6MB. Free memory was 76.8MB in the beginning and 49.8MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.04ms. Allocated memory is still 121.6MB. Free memory was 49.8MB in the beginning and 46.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.89ms. Allocated memory is still 121.6MB. Free memory was 46.5MB in the beginning and 96.2MB in the end (delta: -49.6MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * RCFGBuilder took 898.69ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 96.1MB in the beginning and 125.9MB in the end (delta: -29.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3188.30ms. Allocated memory is still 169.9MB. Free memory was 125.9MB in the beginning and 65.6MB in the end (delta: 60.3MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * Witness Printer took 92.86ms. Allocated memory is still 169.9MB. Free memory was 65.6MB in the beginning and 62.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 167 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 87 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 21:05:22,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45608b6e-dd4f-4d87-8fe6-d2f591386168/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE